		<nav class="courseware course-material">
			<div class="inner-wrapper">
				<ol class="course-tabs">
					<li>
						<a href="<?php echo base_url()."course_controller/show_fedx_course_overview/";?><?php echo $current_course['course_id'];?>" class="">
							Nội dung							
						</a>
					</li>
					<li>
						<a href="#" class="">
							Thông báo
						</a>
					</li>
					<li>
						<a href="<?php echo base_url()."discussion_controller/view/";?><?php echo $current_course['course_id'];?>" class="active">
							Thảo luận
						</a>
					</li>
					<li>
						<a href="#" class="">
							Tài liệu tham khảo
						</a>
					</li>
				</ol>
			</div>
		</nav>